What is evaporated milk?

Evaporated milk is whole milk that has been heated to remove about 60% of its water content, then sterilized in the can at high temperature. The result is a thick, shelf-stable liquid with roughly double the protein, fat, and mineral concentration of regular milk. It is unsweetened — not to be confused with sweetened condensed milk.

Can you make cheese with evaporated milk?

For acid cheeses (ricotta-style, paneer-style), yes — evaporated milk will curdle with lemon juice or vinegar, though you may need more acid and the curd can be grainier due to the high-heat processing. For rennet-set cheeses, evaporated milk is not recommended — the sterilization temperature (about 115-120°C) denatures whey proteins and damages the casein structure, similar to ultra-pasteurized milk, which prevents a clean rennet set.

Can you make yogurt with evaporated milk?

Yes, and it makes excellent yogurt. The concentrated proteins and solids produce a naturally thicker, creamier yogurt without straining. Use evaporated milk straight from the can (or diluted slightly), heat to 82°C (180°F), cool to 43°C (110°F), add yogurt culture, and ferment as usual. Many yogurt makers use evaporated milk specifically for the extra body.

What is the difference between evaporated milk and condensed milk?

Evaporated milk is unsweetened — just concentrated milk. Sweetened condensed milk has a large amount of sugar added (about 40-45% sugar by weight), which acts as a preservative. They are not interchangeable. Evaporated milk works for fermentation; sweetened condensed milk does not — the sugar inhibits bacterial cultures.

Evaporated Milk in Cheese, Yogurt & Fermentation — Ferment Calculator

Evaporated milk is one of those pantry staples that fermenters keep asking about — can it make cheese? yogurt? kefir? The answer depends on the project. Evaporated milk is real milk with 60% of the water boiled off, then sterilized at high temperature in the can. That sterilization is the catch: it changes the protein structure in ways that help some fermentation projects (yogurt gets thicker) and hurt others (rennet cheeses will not set cleanly). This guide explains what evaporated milk actually is, where it works in fermentation, and where it falls short.

What evaporated milk is

60% water removed from whole milk

~2x concentration of protein, fat, and minerals vs regular milk

~115-120°C sterilization temperature (higher than UHT)

Evaporated milk is made by heating whole milk under vacuum to evaporate about 60% of the water, then homogenizing and sterilizing the concentrated liquid at 115-120°C (239-248°F) in the sealed can. The result is a thick, slightly caramelized liquid with about 7.5% fat and 6.5% protein (vs 3.5% fat and 3.3% protein in regular milk). It is unsweetened and shelf-stable for months.

The high sterilization temperature is the key factor for fermentation: it denatures essentially all of the whey proteins and significantly alters the casein micelle structure. This is even more extreme than ultra-pasteurization (UHT), which heats to 138°C for 2-4 seconds. Evaporated milk is heated longer and at a similarly extreme temperature.

Evaporated milk for yogurt

Evaporated milk makes excellent yogurt — the concentrated proteins produce a naturally thick, rich product without straining.

1
Prepare the milk Use evaporated milk straight from the can for the richest result, or dilute with an equal part water for a consistency closer to regular yogurt. One 354 mL (12 oz) can makes about 350 mL of thick yogurt or 700 mL of regular-thickness yogurt.
2
Heat Heat to 82°C (180°F) and hold for 5 minutes. This step is shorter than usual because the milk is already sterilized — you are just ensuring the right temperature for protein rearrangement.
3
Cool and inoculate Cool to 43°C (110°F). Stir in 1-2 tablespoons of plain yogurt with live cultures (or a yogurt starter culture packet).
4
Ferment Hold at 43°C for 6-12 hours in a yogurt maker, oven with the light on, or insulated container. The yogurt will set thick and creamy.

The result is noticeably richer and thicker than yogurt made from regular milk. The slight caramel flavor from the evaporated milk can be pleasant, especially in vanilla or fruit yogurts.

Evaporated milk for cheese

Acid cheeses (limited success) Evaporated milk will curdle with lemon juice or vinegar, producing a ricotta or paneer-style curd. The yield is higher than regular milk (more solids), but the curd tends to be grainier and tougher because the denatured whey proteins co-precipitate with the casein. Usable but not ideal.

Rennet cheeses (not recommended) The sterilization temperature destroys the casein structure that rennet needs to form a clean, cuttable gel. The milk may thicken slightly, but it will not set to a clean break. Do not use evaporated milk for mozzarella, cheddar, feta, or any rennet-set cheese.

Cheese sauces (excellent) Evaporated milk is a great base for cheese sauces and queso. Its concentrated proteins and lack of water produce a thick, stable sauce. Melt real cheese into warm evaporated milk for a smooth, rich cheese sauce without a roux.

Other fermentation uses

Kefir You can ferment evaporated milk (diluted 1:1 with water) with kefir grains. The grains will culture the lactose and produce kefir, though the texture may be thicker than usual. Full-strength evaporated milk can be too thick for the grains to work efficiently.

Sour cream and creme fraiche Evaporated milk mixed with heavy cream and cultured with mesophilic bacteria produces a thick, tangy sour cream-style product. The extra protein from the evaporated milk gives it more body.

Dulce de leche Not a fermentation, but the most famous use of evaporated milk in cooking. Submerge an unopened can in simmering water for 2-3 hours and the sugars caramelize into dulce de leche. Use sweetened condensed milk for the traditional version.

Evaporated milk vs condensed milk

Evaporated milk Unsweetened. About 7.5% fat, 6.5% protein. Usable in fermentation (yogurt, kefir, some acid cheeses). Tastes like rich, slightly caramelized milk.

Sweetened condensed milk Has 40-45% added sugar. Not usable for fermentation — the sugar concentration inhibits bacterial cultures and prevents proper acidification. Used for desserts (key lime pie, fudge, dulce de leche), not cheesemaking.

Tips for using evaporated milk

! Watch for

Dilute for a closer-to-fresh result: Mix 1 part evaporated milk with 1 part water to approximate whole milk's concentration. Use full-strength only when you want extra richness.
Do not confuse with sweetened condensed: Read the label. Sweetened condensed milk will ruin any fermentation project. Evaporated milk is always unsweetened.
Accept the caramel flavor: The sterilization process gives evaporated milk a slight cooked, caramelized taste. This works well in yogurt and cheese sauces but can be noticeable in mild, fresh cheeses.
Store opened cans carefully: Once opened, evaporated milk spoils faster than regular milk because of its concentrated nutrients. Transfer to a sealed container and use within 3-5 days, or freeze in ice cube trays.

Keep exploring cheese

For choosing the right milk for cheese, see types of milk for cheesemaking. For the universal cheesemaking steps, start with how to make cheese at home. The rennet calculator sizes your dose for any milk volume.